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nevsk [136]
3 years ago
9

Two parts of the food chain are described below:

Chemistry
2 answers:
weqwewe [10]3 years ago
6 0

Answer:

the answer is a

SVETLANKA909090 [29]3 years ago
5 0

Answer:

A: part 1 consumers, part 2 the sun

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Which formula equation represents the burning of sulfur to produce sulfur dioxide?
Leni [432]

Answer:

S(s) + O2(g) --> SO2(g)

Upper S (s) plus upper O subscript 2 (g) right arrow with delta above upper S upper O subscript 2 (g).

Explanation:

The reaction is given as;

Sulfur + oxygen --> Sulphur dioxide

Sulphur = S

Oxygen = O2

Sulfur dioxide = SO2

So we have;

S(s) + O2(g) --> SO2(g)

The crrect option is option A. Upper S (s) plus upper O subscript 2 (g) right arrow with delta above upper S upper O subscript 2 (g).

5 0
3 years ago
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How many moles of Na2Cr2O7 contain 14 moles of oxygen atoms?
sergiy2304 [10]
The number of moles of sodium dichromate from the number of moles of oxygen atoms can be determined through stoichiometry. Using the molecular formula of the compound, Na2Cr2O7, 1 mole of the compound contains 7 moles of oxygen. Hence, 14 moles O2*(1 mole Na2Cr2O7/ 7 mole O2) is equal to 2 moles <span>Na2Cr2O7.</span>
7 0
3 years ago
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??????????????? why ????????????????
stealth61 [152]

Answer:

because

Explanation:

4 0
3 years ago
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nuclear reactions can be written out in equation form with information about the nuclei that are produced. in one to two sentenc
Umnica [9.8K]

Nuclear fusion involves the combination of two light nuclei to form a heavier nucleus with emission of energy.

A nuclear reaction equation is a representation of the change that takes place as one nucleus is converted to another. A nuclear transformation could be any of the following;

  • Nuclear fission
  • Nuclear fusion
  • Transmutation

We can know that a nuclear fusion is taking place when two nuclei come together to form a larger nucleus and emit energy. I would identify a nuclear fusion when;

  • Two light atom combine to give a larger nucleus
  • Tremendous energy is produced

Learn more: brainly.com/question/1527403

7 0
3 years ago
Chris noticed a high-pressure system in the weather forecast for Monday
Alchen [17]

Answer:

A. Clear and Sunny

Explanation:

The answer would be A. Clear and Sunny. A high pressure system occurs where the air mass above the Earth is denser than in surrounding areas, and therefore exerts a higher force or pressure. They usually happen with li9ght winds. Using process of elimination, it could not be D. Warm and Stormy, C. Cloudy and Rainy, or B. Cold and Stormy because all have wet climates.

5 0
2 years ago
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